Beam machining device with reflector comprised of arcs of confoc

Details Beam machining device with reflector comprised of arcs of confoc Beam machining device with reflector comprised of arcs of confoc

1995-02-16

1997-01-14

Jeffery, John A.

Electric resistance heating devices

Heating devices

Radiant heater

250504R, 362297, 362346, 313114, G02B 510, F21V 709

Patent

active

055948316

ABSTRACT:
A device for beam machining of materials comprising a pin-point source (1) of optical radiation and a concentrating reflector (2) whose reflecting surface has the form of a surface of revolution. The generatrix of said surface of the concentrating reflector (2) is made up of arcs of confocal ellipses (3), lengths of rays (4) emitted from the focus concident with the radiation source (1) and connecting the ends of arcs of ellipses, and arcs of circles (5) with the center in said focus. The size of the boundary segments and their relative arrangement are established on the condition of a most complete collection of the radiation from the pin-point source (1) in the region of the focal point which is coincident with the surface of the machined material, affording a vast possibility of changing the shape of the reflector.

REFERENCES:
patent: 3784836 (1974-01-01), Tolliver
patent: 3801773 (1974-04-01), Matsumi
patent: 4710638 (1987-12-01), Wood

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